Serum cytokines and T-helper-related immune axes in adolescent major depressive disorder with and without psychotic features.
BACKGROUND Whether adolescent major depressive disorder (MDD) with psychotic features has a distinct peripheral immune signature is unknown. Prior work in this cohort identified tryptophan-kynurenine alterations without measuring inflammatory markers. METHODS We enrolled 280 adolescents (128 healthy controls (HC), 78...